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Finding the Fourth Proportional to 318,323.57, 439,294.84 and 175,087.37

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Solution

The fourth proportional to 318,323.57, 439,294.84 and 175,087.37 is: 241,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,323.57 : 439,294.84 = 175,087.37 : x
  2. Step 2: Convert to fraction form
    318,323.57/439,294.84 = 175,087.37/x
  3. Step 3: Cross multiply
    318,323.57x = 439,294.84 × 175,087.37
  4. Step 4: Simplify right side
    318,323.57x = 76,914,977,314.73
  5. Step 5: Solve for x
    x = 76,914,977,314.73/318,323.57
  6. Step 6: Final answer
    x = 241,625.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.